Note 3 - Acquisition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2015
Note 3 - Acquisition (Details) [Line Items]
Business Combination, Bargain Purchase, Gain Recognized, Amount	$ 449
Business Combination, Acquisition Related Costs	$ 1,548
THE BANCorp [Member]
Note 3 - Acquisition (Details) [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 146,000
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Loans	39,800
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	125,100
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Deposits	120,400
Business Combination, Bargain Purchase, Gain Recognized, Amount	449
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	2,500	$ 1,600
Business Combination, Acquisition Related Costs	$ 1,500